Mercurial > hg > orthanc-stone

annotate Framework/Toolbox/DicomStructurePolygon2.cpp @ 1423:6c3f260c4de7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
tentative to fix CI build
author Alain Mazy <alain@mazy.be>
date Thu, 14 May 2020 07:55:28 +0200
parents 2d8ab34c8c91
children 182bf3106ee2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
1 /**
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
2 * Stone of Orthanc
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
4 * Department, University Hospital of Liege, Belgium
1270
2d8ab34c8c91 upgrade to year 2020
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1019
diff changeset
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
6 *
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
7 * This program is free software: you can redistribute it and/or
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
8 * modify it under the terms of the GNU Affero General Public License
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
9 * as published by the Free Software Foundation, either version 3 of
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
10 * the License, or (at your option) any later version.
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
11 *
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
12 * This program is distributed in the hope that it will be useful, but
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
15 * Affero General Public License for more details.
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
16 *
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
17 * You should have received a copy of the GNU Affero General Public License
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
19 **/
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
20
1019
29f5f2031310 Added a way to specificy which structures are to be initially displayed (the
Benjamin Golinvaux <bgo@osimis.io>
parents: 1018
diff changeset
21 #ifdef BGO_ENABLE_DICOMSTRUCTURESETLOADER2
29f5f2031310 Added a way to specificy which structures are to be initially displayed (the
Benjamin Golinvaux <bgo@osimis.io>
parents: 1018
diff changeset
22
998
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
23 #include "DicomStructurePolygon2.h"
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
24
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
25 #include "../Toolbox/LinearAlgebra.h"
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
26
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
27 namespace OrthancStone
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
28 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
29 void DicomStructurePolygon2::ComputeDependentProperties()
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
30 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
31 ORTHANC_ASSERT(state_ == Building);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
32
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
33 for (size_t j = 0; j < points_.size(); ++j)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
34 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
35 // TODO: move to AddPoint!
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
36 const Point3D& p = points_[j];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
37 if (p[0] < minX_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
38 minX_ = p[0];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
39 if (p[0] > maxX_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
40 maxX_ = p[0];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
41
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
42 if (p[1] < minY_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
43 minY_ = p[1];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
44 if (p[1] > maxY_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
45 maxY_ = p[1];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
46
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
47 if (p[2] < minZ_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
48 minZ_ = p[2];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
49 if (p[2] > maxZ_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
50 maxZ_ = p[2];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
51 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
52
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
53 if (LinearAlgebra::IsNear(minX_, maxX_))
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
54 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
55 LinearAlgebra::AssignVector(normal_, 1, 0, 0);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
56 //ORTHANC_ASSERT(!LinearAlgebra::IsNear(minX, maxX));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
57 ORTHANC_ASSERT(!LinearAlgebra::IsNear(minY_, maxY_));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
58 ORTHANC_ASSERT(!LinearAlgebra::IsNear(minZ_, maxZ_));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
59 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
60 else if (LinearAlgebra::IsNear(minY_, maxY_))
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
61 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
62 LinearAlgebra::AssignVector(normal_, 0, 1, 0);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
63 ORTHANC_ASSERT(!LinearAlgebra::IsNear(minX_, maxX_));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
64 ORTHANC_ASSERT(!LinearAlgebra::IsNear(minZ_, maxZ_));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
65 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
66 else if (LinearAlgebra::IsNear(minZ_, maxZ_))
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
67 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
68 LinearAlgebra::AssignVector(normal_, 0, 0, 1);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
69 ORTHANC_ASSERT(!LinearAlgebra::IsNear(minX_, maxX_));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
70 ORTHANC_ASSERT(!LinearAlgebra::IsNear(minY_, maxY_));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
71 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
72 else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
73 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
74 LOG(ERROR) << "The contour is not coplanar and not parallel to any axis.";
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
75 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
76 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
77 state_ = Valid;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
78 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
79
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
80
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
81 void DicomStructurePolygon2::ProjectOnConstantPlane(
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
82 std::vector<Point2D>& intersections, const CoordinateSystem3D& plane) const
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
83 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
84 // the plane can either have constant X, or constant Y.
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
85 // - for constant Z planes, use the ProjectOnParallelPlane method
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
86 // - other type of planes are not supported
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
87
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
88 // V is the coordinate that is constant in the plane
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
89 double planeV = 0.0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
90
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
91 // if true, then "u" in the code is "x" and "v" is "y".
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
92 // (v is constant in the plane)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
93 bool uvxy = false;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
94
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
95 size_t uindex = static_cast<size_t>(-1);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
96 size_t vindex = static_cast<size_t>(-1);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
97
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
98 ORTHANC_ASSERT(LinearAlgebra::IsNear(plane.GetNormal()[2], 0.0));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
99
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
100 if (LinearAlgebra::IsNear(plane.GetNormal()[1], 0.0))
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
101 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
102 // normal is 1,0,0 (or -1,0,0).
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
103 // plane is constant X
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
104 uindex = 1;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
105 vindex = 0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
106
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
107 uvxy = false;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
108 planeV = plane.GetOrigin()[0];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
109 if (planeV < minX_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
110 return;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
111 if (planeV > maxX_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
112 return;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
113 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
114 else if (LinearAlgebra::IsNear(plane.GetNormal()[0], 0.0))
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
115 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
116 // normal is 0,1,0 (or 0,-1,0).
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
117 // plane is constant Y
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
118 uindex = 0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
119 vindex = 1;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
120
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
121 uvxy = true;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
122 planeV = plane.GetOrigin()[1];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
123 if (planeV < minY_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
124 return;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
125 if (planeV > maxY_)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
126 return;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
127 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
128 else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
129 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
130 // if the following assertion(s) fail(s), it means the plane is NOT a constant-X or constant-Y plane
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
131 LOG(ERROR) << "Plane normal must be (a,0,0) or (0,a,0), with a == -1 or a == 1";
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
132 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
133 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
134
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
135 size_t pointCount = GetPointCount();
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
136 if (pointCount >= 3)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
137 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
138 // this vector will contain the coordinates of the intersection points
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
139 // between the plane and the polygon.
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
140 // these are expressed in the U coordinate, that is either X or Y,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
141 // depending upon the plane orientation
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
142 std::vector<double> uIntersections;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
143
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
144 // we loop on the segments of the polygon (TODO: optimize)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
145 // and we compute the intersection between each segment and the cut
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
146 // cutting plane (slice) has a constant X
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
147
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
148 for (size_t iPoint = 0; iPoint < pointCount; ++iPoint)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
149 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
150 double u1 = points_[iPoint][uindex];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
151 double v1 = points_[iPoint][vindex];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
152
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
153 double u2 = 0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
154 double v2 = 0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
155
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
156 if (iPoint < pointCount - 1)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
157 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
158 u2 = points_[iPoint + 1][uindex];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
159 v2 = points_[iPoint + 1][vindex];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
160 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
161 else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
162 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
163 u2 = points_[0][uindex];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
164 v2 = points_[0][vindex];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
165 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
166
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
167 // Check if the segment intersects the plane
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
168 if ((std::min(v1, v2) <= planeV) && (std::max(v1, v2) >= planeV))
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
169 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
170 // special case: the segment is parallel to the plane but close to it
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
171 if (LinearAlgebra::IsNear(v1, v2))
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
172 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
173 // in that case, we choose to label both points as an intersection
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
174 double x, y;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
175 plane.ProjectPoint(x, y, points_[iPoint]);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
176 intersections.push_back(Point2D(x, y));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
177
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
178 plane.ProjectPoint(x, y, points_[iPoint + 1]);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
179 intersections.push_back(Point2D(x, y));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
180 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
181 else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
182 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
183 // we are looking for u so that (u,planeV) belongs to the segment
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
184 // let's define alpha = (u-u2)/(u1-u2) --> u = alpha*(u1-u2) + u2
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
185 // alpha = (v2-planeV)/(v2-v1)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
186 // because the following two triangles are similar
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
187 // [ (planeY,x) , (y2,x2), (planeY,x2) ] or
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
188 // [ (planeX,y) , (x2,y2), (planeX,y2) ]
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
189 // and
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
190 // [ (y1 ,x1) , (y2,x2), (y1 ,x2) ] or
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
191 // [ (x1 ,y1) , (x2,y2), (x1 ,y2) ]
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
192
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
193 /*
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
194 void CoordinateSystem3D::ProjectPoint(double& offsetX,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
195 double& offsetY,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
196 const Vector& point) const
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
197 */
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
198 double alpha = (v2 - planeV) / (v2 - v1);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
199
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
200 // get rid of numerical oddities
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
201 if (alpha < 0.0)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
202 alpha = 0.0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
203 if (alpha > 1.0)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
204 alpha = 1.0;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
205 double u = alpha * (u1 - u2) + u2;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
206
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
207 // here is the intersection in world coordinates
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
208 Vector intersection;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
209 if(uvxy)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
210 LinearAlgebra::AssignVector(intersection, u, planeV, minZ_);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
211 else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
212 LinearAlgebra::AssignVector(intersection, planeV, u, minZ_);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
213
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
214 // and we convert it to plane coordinates
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
215 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
216 double xi, yi;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
217 plane.ProjectPoint(xi, yi, intersection);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
218
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
219 // we consider that the x axis is always parallel to the polygons
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
220 // TODO: is this hypothesis safe??????
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
221 uIntersections.insert(std::lower_bound(uIntersections.begin(), uIntersections.end(), xi), xi);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
222 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
223 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
224 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
225 } // end of for (size_t iPoint = 0; iPoint < pointCount; ++iPoint)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
226
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
227 // now we convert the intersections to plane points
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
228 // we consider that the x axis is always parallel to the polygons
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
229 // TODO: same hypothesis as above: plane is perpendicular to polygons,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
230 // plane is parallel to the XZ (constant Y) or YZ (constant X) 3D planes
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
231 for (size_t i = 0; i < uIntersections.size(); ++i)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
232 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
233 double x = uIntersections[i];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
234 intersections.push_back(Point2D(x, minZ_));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
235 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
236 } // end of if (pointCount >= 3)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
237 else
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
238 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
239 LOG(ERROR) << "This polygon has " << pointCount << " vertices, which is less than 3 --> skipping";
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
240 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
241 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
242
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
243 void OrthancStone::DicomStructurePolygon2::ProjectOnParallelPlane(
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
244 std::vector< std::pair<Point2D, Point2D> >& segments,
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
245 const CoordinateSystem3D& plane) const
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
246 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
247 if (points_.size() < 3)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
248 return;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
249
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
250 // the plane is horizontal
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
251 ORTHANC_ASSERT(LinearAlgebra::IsNear(plane.GetNormal()[0], 0.0));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
252 ORTHANC_ASSERT(LinearAlgebra::IsNear(plane.GetNormal()[1], 0.0));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
253
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
254 segments.clear();
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
255 segments.reserve(points_.size());
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
256 // since the returned values need to be expressed in the supplied coordinate
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
257 // system, we need to subtract origin_ from the returned points
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
258
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
259 double planeOriginX = plane.GetOrigin()[0];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
260 double planeOriginY = plane.GetOrigin()[1];
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
261
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
262 // precondition: points_.size() >= 3
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
263 for (size_t j = 0; j < points_.size()-1; ++j)
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
264 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
265 // segment between point j and j+1
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
266
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
267 const Point3D& point0 = GetPoint(j);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
268 // subtract plane origin x and y
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
269 Point2D p0(point0[0] - planeOriginX, point0[1] - planeOriginY);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
270
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
271 const Point3D& point1 = GetPoint(j+1);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
272 // subtract plane origin x and y
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
273 Point2D p1(point1[0] - planeOriginX, point1[1] - planeOriginY);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
274
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
275 segments.push_back(std::pair<Point2D, Point2D>(p0,p1));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
276 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
277
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
278
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
279 // final segment
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
280
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
281 const Point3D& point0 = GetPoint(points_.size() - 1);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
282 // subtract plane origin x and y
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
283 Point2D p0(point0[0] - planeOriginX, point0[1] - planeOriginY);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
284
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
285 const Point3D& point1 = GetPoint(0);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
286 // subtract plane origin x and y
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
287 Point2D p1(point1[0] - planeOriginX, point1[1] - planeOriginY);
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
288
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
289 segments.push_back(std::pair<Point2D, Point2D>(p0, p1));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
290 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
291
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
292 double OrthancStone::DicomStructurePolygon2::GetZ() const
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
293 {
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
294 ORTHANC_ASSERT(LinearAlgebra::IsNear(normal_[0], 0.0));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
295 ORTHANC_ASSERT(LinearAlgebra::IsNear(normal_[1], 0.0));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
296 ORTHANC_ASSERT(LinearAlgebra::IsNear(minZ_, maxZ_));
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
297 return minZ_;
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
298 }
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
299
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
300
38b6bb0bdd72 added a new set of classes that correctly handle non-convex polygons (not
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
301 }
1019
29f5f2031310 Added a way to specificy which structures are to be initially displayed (the
Benjamin Golinvaux <bgo@osimis.io>
parents: 1018
diff changeset
302
29f5f2031310 Added a way to specificy which structures are to be initially displayed (the
Benjamin Golinvaux <bgo@osimis.io>
parents: 1018
diff changeset
303 #endif
29f5f2031310 Added a way to specificy which structures are to be initially displayed (the
Benjamin Golinvaux <bgo@osimis.io>
parents: 1018
diff changeset
304 // BGO_ENABLE_DICOMSTRUCTURESETLOADER2
29f5f2031310 Added a way to specificy which structures are to be initially displayed (the
Benjamin Golinvaux <bgo@osimis.io>
parents: 1018
diff changeset
305